Boeing B777 – Flight controls - SmartCockpit - Airline training guides, Aviation, Operations, Safety

What could cause the STAB GREENBAND EICAS message to be displayed?

Power to the stabilizer position indicator is lost.

All statements are correct.

The FMC weight entry and CG may be incorrect.

The stabilizer position indicator is unreliable.

Correct! Wrong!

What is the meaning of the EICAS advisory message STABILIZER CUTOUT?

One stabilizer cut-out switch is in the CUTOUT position.

Both stabilizer cut-out switches are in the CUTOUT position.

The centre stabilizer control path is inoperative

Stabilizer asymmetry compensation is inoperative.

Correct! Wrong!

What is FALSE about stabilizer trim?

As airspeed increases, trim rate increases.

The green band on the stabilizer position indicator shows the stabilizer trim range for take-off.

You can use the pitch trim switches on the yoke to set the trim.

As airspeed increases, trim rate decreases.

Correct! Wrong!

When are pitch trim changes required with the 777 'fly-by-wire' system?

For all configuration changes.

When the landing gear is extended.

During airspeed changes only.

When thrust is changed.

Correct! Wrong!

Which statement is true when the primary flight computer disconnect switch is positioned to DISC?

All statements are correct.

Protection features are NOT available.

Autopilot is not available.

The system operates in direct mode

Correct! Wrong!

When do the control wheel stabilizer trim switches control stabilizer movement directly?

Only during approaches.

All the time.

During engine out go-arounds.

Only on the ground.

Correct! Wrong!

What does the PRI FLIGHT COMPUTERS EICAS message indicate?

The system is in direct mode

The system is in primary mode.

The system is in the secondary mode.

Flight control modes are not affected.

Correct! Wrong!

Which one of the following statements is false?

Spoilers 4 and 11 are mechanically operated.

At cruise speed, spoilers 5 and 10 are locked out.

When augmenting roll control, the spoilers work asymmetrically.

There are 12 spoilers.

Correct! Wrong!

Which of the following is not correct concerning the flight control system when operating in secondary mode?

Autopilot and envelope protection are NOT available.

Thrust Asymmetry is NOT available.

All spoilers remain usable.

Envelope protection features are NOT available.

Correct! Wrong!

Which statement is NOT true regarding the flap position indicator?

The flap position indicator is on the PFD.

The flap position indicator appears on EICAS when flaps begin to extend.

The flap position indicator is magenta when slats and flaps are in transit.

There are three different displays: Primary, Secondary and Alternate.

Correct! Wrong!

What is FALSE about Flap/Slat Load Relief?

Flap load relief is available in the primary and secondary modes.

The Flap lever does not move during flap condition and shows actual flap position.

When airspeed is reduced the flap automatically re-extend as airspeed allows.

Re-extension is limited to the commended flap position.

Correct! Wrong!

What causes the SPEEDNRAKE EXTENDED message to display on the EICAS?

On the ground when either reverse thrust lever is moved to the reverse idle detent.

Speedbrake is UP after landing.

Speedbrake is extended when radio altitude is between 15 and 800 ft.

Speedbrake is down when either thrust lever is advanced to a takeoff position.

Correct! Wrong!

Which of the following is not a stall protection feature?

Use of alternate pitch trim levers reduces the column forces below the minimum manoeuvring speed.

The pilot must apply continuous aft column force to maintain airspeed below the manoeuvring speed.

The out-of-trim forces increase above normal for a condition above the minimum manoeuvre speed.

Stab trim is inhibited in the nose up direction at approximately the minimum manoeuvring speed.

Correct! Wrong!

Which of the following is true when the flight control system is operating in secondary mode?

Actuator Control Electronics (ACES) are NOT available.

The autopilot is available.

The Primary Flight Computers (PFCs) are NOT available.

Envelope protection features are NOT available.

Correct! Wrong!

Which trim control is inhibited when the autopilot is engaged?

Alternate pitch trim levers.

Trim control pitch

Alternate control pitch trim.

Control wheel pitch trim switches.

Correct! Wrong!

Are the PFCs and ACEs used in direct mode?

Only ACEs

Only PFCs

Both PFCs and ACEs

It is not possible.

Correct! Wrong!

Which one of the following statements is incorrect?

The spoilers augment roll control.

Spoilers 5 and 10 are available as ground spoilers only.

The extension of speed-brakes in the landing configuration is prohibited.

Spoilers 4 and 11 are mechanically operated.

Correct! Wrong!

What happens when the stabilizer signal is not present or is invalid?

The green band on the indicator turns amber

The CDU displays the VERIFY TRIM message in the scratchpad

The EICAS message STAB GREENBAND displays

The green band and the pointer are not displayed

Correct! Wrong!

Under what conditions does the SPEEDBRAKE EXTENDED EICAS message display?

Speedbrakes are extended and the airplane is above 800 feet RA.

Speedbrakes are extended and landing flaps are selected or RA is between 15 and 800 feet.

After landing, if speed-brakes fail to extend.

Any time speed-brakes are extended.

Correct! Wrong!

Which control surfaces are used for roll control on the B777?

Ailerons, flaperons and elevators.

Ailerons, flaperons and flaps.

Ailerons, flaperons and slats.

Ailerons, flaperons and spoilers.

Correct! Wrong!

Where - and when - is the stabilizer "green band" displayed?

Always on EICAS

Only during landing, on CDU.

Only in flight, on control wheel.

Only on the ground, on pitch trim indicators.

Correct! Wrong!

A wheel to rudder cross-tie function provides the capability of being able to control the initial effects of an engine failure using control wheel inputs only. How many degrees of rudder deflection can be obtained from control wheel inputs?

7.5 degrees.

8 degrees.

13 degrees.

9.5 degrees.

Correct! Wrong!

What control do the flaperons and ailerons provide?

Pitch control assisted by a movable horizontal stabilizer.

Roll control assisted by asymmetric spoilers.

Increased wing lift and decreased stall speed.

Yaw control assisted by the rudder.

Correct! Wrong!

What is the maximum speed of wheel to rudder cross-tie operation?

200 knot.

220 knot.

180 knot.

210 knot.

Correct! Wrong!

What principle is used when direct mode is in use?

Direct control surface deflection.

Mechanical linkage.

Electric signals.

Hydraulic signal modulation.

Correct! Wrong!

When does TAC automatically add rudder to minimize yaw?

When one engine differs by 10 present or more from the other engine.

When an engine is at idle thrust.

When the engine is damaged or surges.

When engine thrust loss is sensed in the normal and secondary mode.

Correct! Wrong!

What can you say about the FLAPS DRIVE EICAS message?

Arm the alternate system.

The flaps will operate in secondary mode.

The EICAS flap indicator display turns magenta.

The message is displayed when the flap drive mechanism has been shut down due to an asymmetry.

Correct! Wrong!

Which of these flight control surfaces aid in roll control?

Flaperons and slats.

Krueger flaps, slats and spoilers.

Slats and spoilers only.

Ailerons, flaperons and spoilers.

Correct! Wrong!

What is true about turn compensation?

It is available only in the secondary mode.

Elevator input is NOT required if the airplane is in a 30 degree bank.

It is not available if the bank angle is above 30 degrees.

The turn compensation switch is on the overhead panel.

Correct! Wrong!

What is the correct statement?

Aileron trim in inhibited when the autopilot is engaged.

All statements are correct.

Moving the alternate pitch trim levers with the autopilot engaged does not move the stabilizer.

Moving the alternate pitch trim levers during stall or overspeed protection does not move the stabilizer

Correct! Wrong!

Auto speed-brakes protection is provided for which phases of flight?

Take-off, rejected take-off and approach below 200 feet.

Take-off, rejected take-off and approach.

Take-off, rejected take-off, approach and landing.

Take-off, rejected take-off and landing.

Correct! Wrong!

What is the effect of placing a stabilizer cutout switch to cutout?

Connects hydraulic supply to STCM.

Disconnects hydraulic supply to STCM.

Engages gust suppression.

Disable direct rudder control.

Correct! Wrong!

What happens if uncommanded stabilizer motion is sensed?

Power to all STCMs is shut off.

The stabilizer is locked in place.

The A/P engages automatically.

Power to the affected STCM is shut off.

Correct! Wrong!

Automatic speed-brake operation is provided for which flight control system modes?

Normal.

Secondary.

Direct.

All flight control modes.

Correct! Wrong!

When do the alternate pitch trim levers move the stabilizer?

Only on the ground.

During flight control secondary and direct modes.

The levers move the stabilizer directly at all times.

When the autopilot is disengaged.

Correct! Wrong!

In direct mode, which of the following components of fly-by-wire are NOT operating?

Power Control Units (PCUs).

Primary Flight Computers (PFCs).

Actuator Control Electronics (ACES).

Position feedback transducers.

Correct! Wrong!

In direct mode, which of the following components of the primary flight control system are NOT operating?

Secondary FCC.

Electro hydraulic servos.

Actuator Control Electronics (ACES).

Primary Flight Computers (PFCs).

Correct! Wrong!

When do the PFCs make self-test?

After hydraulic system shutdown (HYD PRESS SYS L+C+R).

After hydraulic system pressurization.

After the "PRIMARY FLIGHT COMPUTERS" EICAS message is displayed.

After hydraulic system depressurization.

Correct! Wrong!

What are the initial steps to extend the flaps using the alternate flap system?

Push ALT FLAPS ARM switch. Select ALT FLAPS selector to EXT.

Arm ALT FLAPS ARM switch. Select NORMAL FLAPS selector to 20.

Arm ALT FLAPS ARM switch. Select ALT FLAPS selector to EXT.

Arm ALT FLAPS ARM switch. Select ALT FLAPS selector to OFF.

Correct! Wrong!

What does stall warning consist of?

Stall warning horn.

Stick shaker followed by stall warning.

EICAS message 'STALL'.

Stick shaker but NO stall warning.

Correct! Wrong!

Which spoilers will be locked out in secondary and direct modes?

Spolers 5 and 10

Spoilers 8 to 14

Spoilers 1 and 14

Spoilers 1 to 7

Correct! Wrong!

Which of these flight control surfaces droop when the trailing edge flaps extend?

Flaperons and slats.

Krueger flaps and slats.

Flaperons.

Slats only.

Correct! Wrong!

What is wheel to rudder cross-tie?

Ability to dampen Dutch roll with control wheel only.

Ability to control initial effects of an engine failure with control wheel only.

Ability to control rudder trim with control wheel inputs.

Ability to override rudder inputs with the control wheel inputs.

Correct! Wrong!

Which of the following is true when the flight control system is operating in secondary mode?

The Primary Flight Computers (PFCs) are NOT available.

Actuator Control Electronics (ACES) are NOT available.

Autopilot and envelope are NOT available.

Envelope protection features are available.

Correct! Wrong!

Which spoilers are available as speedbrakes (secondary and direct modes)?

Spoilers 5,10

Spoilers 4,11

Spoilers 1-7

None. Speedbrakes are disabled.

Correct! Wrong!

How many spoiler panels are used as speedbrakes?

A total of 12 spoiler panels.

A total of 8 spoiler panels.

A total of 10 spoiler panels.

A total of 14 spoiler panels.

Correct! Wrong!

What does the EICAS message FLIGHT CONTROL MODE indicate?

The Flap/Slat electronics units are inoperative.

Flight control system is operating in the secondary mode.

Flight control system faults are detected.

Multiple flight control surfaces are inoperative.

Correct! Wrong!

Which of these flight control surfaces assist in roll control?

Slats only.

Slats and spoilers.

Ailerons and flaperons.

Flaperons and slats.

Correct! Wrong!

Which pair of spoilers is mechanically controlled through a cable from the control wheel?

Spoilers 5 and 10.

Spoilers 5 and 8.

Spoilers 4 and 11.

Spoilers 1 and 14.

Correct! Wrong!

In the normal mode, a control column input or trim change is required to maintain a constant flight path:

All statements are correct.

During airspeed changes.

During speedbrake extension or retraction.

During flap extension or retraction

Correct! Wrong!

What power source is used for the actuation of all primary flight controls?

Mechanical.

Pneumatic.

Hydraulic.

Electric.

Correct! Wrong!

Which of the following are NOT stall protection features?

Stick shaker activates.

The auto-throttle advances to maintain minimum airspeed.

The auto-throttle disconnects.

In landing configuration, leading slats move to gapped position.

Correct! Wrong!

Do the ailerons increase lift for takeoff?

Yes the ailerons move down with flaps 15 and 20.

Yes the ailerons move down with flaps 5, 15 and 20.

No the ailerons are used only at high speed

No, the ailerons assist roll control only during high speed flight.

Correct! Wrong!

Boeing B777 – Flight controls